input button
input checkbox
input color
input date
input datetime
input datetime-local
input month
input time
input week
input email
input file
input hidden
input image
input number 1 7 2
input password
input radio
input range 1 10 1 5
input reset
input search
input submit
input tel
input text
input url
textarea
select option
select optgroup option
input datalist option
button
keygen
output 0
+ =
TODO output - überprüfen